feat(theme): finalize design token system with WCAG AA compliance

- Fix gold text contrast in light theme from 3.30:1 to 6.38:1 (AA compliant)
- Separate ThemeContext into definition and provider files for ESLint compliance
- Update contrast report with final validation results (100% passing tests)
- Ensure all accent colors meet WCAG AA standards across light/dark themes
- Complete design token system with proper semantic color roles

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

reactrebuild0825/.prettierrc

@@ -0,0 +1,59 @@
+{
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+  "trailingComma": "es5",
+  "singleQuote": true,
+  "printWidth": 80,
+  "tabWidth": 2,
+  "useTabs": false,
+  "quoteProps": "as-needed",
+  "bracketSpacing": true,
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+  "arrowParens": "avoid",
+  "endOfLine": "lf",
+  "embeddedLanguageFormatting": "auto",
+  "htmlWhitespaceSensitivity": "css",
+  "insertPragma": false,
+  "requirePragma": false,
+  "proseWrap": "preserve",
+  "rangeStart": 0,
+  "jsxSingleQuote": true,
+  "plugins": ["prettier-plugin-tailwindcss"],
+  "tailwindConfig": "./tailwind.config.js",
+  "tailwindFunctions": ["clsx", "cn", "cva"],
+  "overrides": [
+    {
+      "files": "*.{ts,tsx}",
+      "options": {
+        "parser": "typescript"
+      }
+    },
+    {
+      "files": "*.{js,jsx}",
+      "options": {
+        "parser": "babel"
+      }
+    },
+    {
+      "files": "*.json",
+      "options": {
+        "parser": "json",
+        "tabWidth": 2
+      }
+    },
+    {
+      "files": "*.md",
+      "options": {
+        "parser": "markdown",
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+      }
+    },
+    {
+      "files": "*.{yml,yaml}",
+      "options": {
+        "parser": "yaml",
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+      }
+    }
+  ]
+}